This indicates an attack attempt to exploit a Buffer Overflow Vulnerability in fingerd.
The vulnerability is due to an error in the vulnerable application when handling a maliciously crafted request. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted request.
fingerd on version 4.3BSD
System Compromise: Remote attackers can gain control of vulnerable systems.
Upgraded to the most recent version